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<meta charset="UTF-8">
Netty WebSocket 时间服务器
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<br>
<body>
	<br>
	<script type="text/javascript">
		var socket;
		if (!window.WebSocket) {
			window.WebSocket = window.MozWebSocket;
		}
		if (window.WebSocket) {
			socket = new WebSocket("ws://localhost:8080/websocket");
			socket.onmessage = function(event) {
				var ta = document.getElementById('responseText');
				ta.value = "";
				ta.value = event.data
			};
			socket.onopen = function(event) {
				var ta = document.getElementById('responseText');
				ta.value = "打开WebSocket服务正常，浏览器支持WebSocket!";
			};
			socket.onclose = function(event) {
				var ta = document.getElementById('responseText');
				ta.value = "";
				ta.value = "WebSocket 关闭!";
			};
		} else {
			alert("抱歉，您的浏览器不支持WebSocket协议!");
		}

		function send(message) {
			if (!window.WebSocket) {
				return;
			}
			if (socket.readyState == WebSocket.OPEN) {
				socket.send(message);
			} else {
				alert("WebSocket连接没有建立成功!");
			}
		}
	</script>
	<form onsubmit="return false;">
		<input type="text" name="message" value="Netty最佳实践" /> <br>
		<br> <input type="button" value="发送WebSocket请求消息"
			onclick="send(this.form.message.value)" />
		<hr color="blue" />
		<h3>服务端返回的应答消息</h3>
		<textarea id="responseText" style="width: 500px; height: 300px;"></textarea>
	</form>
</body>
</html>